堵床上 dǔ chuáng shàng

DEFINITIONS

  1. (coll.) to catch an adulterous couple in the act

CHARACTERS

堵 dǔ
HSK 4
wall; stop, prevent; stop up
床 chuáng
HSK 2
bed, couch; framework, chassis
上 shàng
HSK 1
top; superior, highest; go up, send up